Home / 28,728,110.40-43,092,165.60-17,957,572.80

Finding the Fourth Proportional to 28,728,110.40, 43,092,165.60 and 17,957,572.80

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Solution

The fourth proportional to 28,728,110.40, 43,092,165.60 and 17,957,572.80 is: 26,936,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728,110.40 : 43,092,165.60 = 17,957,572.80 : x
  2. Step 2: Convert to fraction form
    28,728,110.40/43,092,165.60 = 17,957,572.80/x
  3. Step 3: Cross multiply
    28,728,110.40x = 43,092,165.60 × 17,957,572.80
  4. Step 4: Simplify right side
    28,728,110.40x = 773,830,700,871,655.75
  5. Step 5: Solve for x
    x = 773,830,700,871,655.75/28,728,110.40
  6. Step 6: Final answer
    x = 26,936,359.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.